T = {2, 3, 5, 7}
M = {1, 3, 5, 7, 9}
µ = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
T′ = = {1, 4, 6, 8, 9, 10}
M′ = {2, 4, 6, 8, 10}
(T′ ∩ M′) = {4, 6, 8, 10}